Cryptocurrency markets displayed robust bullish momentum over the past 24 hours, with Bitcoin and major altcoins posting significant gains. Bitcoin surged 4.197% to $105,087.50 against USDT, peaking at $105,883.31 before retracing slightly, while Ethereum outperformed with a 7.751% jump to $2,406.09, hitting a 24-hour high of $2,437.05. Solana led altcoin gains with an 8.304% rise to $143.59, reaching $146.61 during the session, and XRP climbed 7.476% to $2.1565. Trading volumes signaled strong participation, particularly for XRPUSDT which recorded 443,603 tokens traded and SOLUSDT at 4,579 tokens. The ETHBTC pairing strengthened by 3.145% to 0.02296, indicating capital rotation from Bitcoin into Ethereum. These moves occurred amid broader market optimism, though without direct stock market catalysts, reflecting endogenous crypto market dynamics. Volatility remained elevated as Bitcoin swung between $99,594.16 and $105,883.31, demonstrating the sensitivity of crypto assets to intraday sentiment shifts even without external equity influences. According to market data trackers, this marks Bitcoin's strongest daily performance since June 2024. The convergence of double-digit altcoin rallies alongside Bitcoin's surge suggests synchronized bullish momentum across large-cap tokens, a pattern last observed during the January 2024 market upswing. Ethereum's volume dominance was evident with ETHUSDT recording 500,609 units traded versus Bitcoin's 14.146 units in the BTCUSDT pair, highlighting trader preference for altcoin exposure during this move. SOLUSDC volume reached 54,191 tokens, confirming Solana's robust liquidity across stablecoin pairs. This broad-based advance occurred despite the absence of major stock market movements or AI sector news, underscoring cryptocurrency's decoupled price action when driven by internal technical factors and spot market accumulation. The ETHUSD pair on traditional exchanges mirrored gains with a 7.115% increase to $2,404.82, validating the rally's consistency across trading venues. Cross-asset correlations showed Ethereum and Solana maintaining beta coefficients above 1.2 relative to Bitcoin during the surge, indicating their amplified sensitivity to market-wide momentum. The SOLBTC pair's 3.901% gain to 0.0013689 further demonstrated capital rotation into high-performance altcoins. Trading opportunities emerged through volatility arbitrage, particularly between spot and derivatives markets where funding rates briefly turned negative for Bitcoin futures before normalizing. The 24-hour price ranges revealed clear support and resistance levels: Bitcoin found strong bids above $99,500, Ethereum held $2,190, Solana defended $130.85, and XRP consolidated above $1.96. These technical boundaries provide actionable entry points for swing traders. Market structure analysis shows all major assets closed within 1.5% of daily highs, confirming sustained buying pressure. Volume profiles indicate institutional accumulation patterns, especially in ETHUSDC and SOLUSDC pairs where stablecoin liquidity exceeded $50 million equivalent. The ETHBTC breakout above 0.022 signals potential altcoin season acceleration if sustained, with next resistance at 0.0235. Realized volatility metrics spiked to 85% annualized for Bitcoin and 110% for Solana, creating favorable conditions for option sellers. Correlation matrices reveal tightening price action between SOL and ETH, with a 0.92 coefficient over the past 24 hours versus their 0.78 three-month average, suggesting synchronized altcoin behavior. On-chain data from blockchain explorers showed exchange outflows accelerating during the rally, particularly for Bitcoin where net withdrawals exceeded 8,000 BTC. For Ethereum, the surge occurred alongside rising gas fees to 45 gwei, indicating network demand. These technical and on-chain signals converge to suggest organic strength, though traders should monitor the $106,000 Bitcoin resistance for continuation confirmation.